# frozen_string_literal: true class RemoveDeploymentClustersClusterIdFk < Gitlab::Database::Migration[2.0] FK_NAME = 'fk_rails_4e6243e120' disable_ddl_transaction! def up with_lock_retries do remove_foreign_key_if_exists( :deployment_clusters, :clusters, name: FK_NAME, reverse_lock_order: true ) end end def down add_concurrent_foreign_key( :deployment_clusters, :clusters, name: FK_NAME, column: :cluster_id, target_column: :id, on_delete: :cascade ) end end